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855773644-LEED-v5-BD-C-Reference-Guide-Launch-Edition - Page 309

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LEED BD+C: Core and Shell projects are not required to meet the Balanced Ventilation requirements of this option.

Option 4. Peak Thermal Load Reductions

Same as LEED BD+C: New Construction, Option 4.

DOCUMENTATION
Project
types		OptionsPathsDocumentation
New
Construction
and
Core and
Shell		Option 1AllConfirmation that supply and exhaust flows designed
within 10% of each other.
New
Construction
and
Core and
Shell		Option 1AllBalanced ventilation design calculations.
New
Construction
and
Core and
Shell		Option 1AllAir leakage test report describing method, conditions,
and results. Note: Include which Path (New Construction
or Major Renovation; larger or smaller than 5,000 sq. ft.;
Pressure Test Condition) is followed.
New
Construction
and
Core and
Shell		Option 2AllDocumentation showing outdoor air delivery systems
and flow rates, including energy recovery devices and
efficiencies, and OA bypass controls (e.g., mechanical
schedules, specifications, submittals, controls diagram).
New
Construction
and
Core and
Shell		Option 3AllComcheck or_ASHRAE 90.1-2022_ prescriptive thermal
bridging compliance forms. Include Details of envelope
and calculations showing that intersections and edges of
each type meet_ASHRAE 90.1 2022_ sections 5.5.5.
New
Construction
and
Core and
Shell		Option 4AllVentilation loads must be included in the determination
of peak coincident loads.
New
Construction
and
Core and
Shell		Option 4AllAir leakage test report describing method, conditions,
and results.
New
Construction
and
Core and
Shell		Option 4AllConfirmation that supply and exhaust flows are
designed within 10% of each other.
New
Construction
and
Core and
Shell		Option 4Path 1Input/output report from PHPP or WUFI.
New
Construction
and
Core and
Shell		Option 4Path 1Sum of peak sensible heating and cooling load.
New
Construction
and
Core and
Shell		Option 4Input/output reports from_ASHRAE 90.1-2022_, Building
envelope trade-off option and/or TSPR as applicable.
New
Construction
and
Core and
Shell		Option 4
New
Construction
and
Core and
Shell		Option 4Envelope peak load reduction and/or TSPR peak load
reduction.
New
Construction
and
Core and
Shell		Option 4Path 2
Envelope
AND
Path 2
Ventilation		Sum of peak heating loads and peak cooling loads
(Base/Reference Case)
New
Construction
and
Core and
Shell		Option 4Path 2
Envelope
AND
Path 2
Ventilation		Sum of peak heating loads and peak cooling loads
(Proposed Case)
New
Construction
and
Core and
Shell		Option 4Path 3Calculation of Performance index using sum of peak
heating and peak cooling.

U.S. Green Building Council LEED v5 Reference Guide for Building Design and Construction, April 2025 Launch Edition 299

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